Table 1.

Instability Severity Index Score (adapted from [11])

Criteria	# points
20 years old or younger	2
Participation in competitive sports	2
Hill-Sachs lesion in external rotation on AP radiograph	2
Loss of glenoid contour on AP radiograph	2
Participation in contact sport or overhead sport	1
Shoulder hyperlaxity anteriorly or inferiorly	1